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5668819 = 134310141
BaseRepresentation
bin10101100111111111010011
3101200000011021
4111213333103
52422400234
6321300311
766120112
oct25477723
911600137
105668819
113222082
121a94697
131236340
14a77c79
1576e9b4
hex567fd3

5668819 has 8 divisors (see below), whose sum is σ = 6247472. Its totient is φ = 5110560.

The previous prime is 5668813. The next prime is 5668823. The reversal of 5668819 is 9188665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-5668819 is a prime.

It is a super-2 number, since 2×56688192 = 64271017709522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5668813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4512 + ... + 5629.

It is an arithmetic number, because the mean of its divisors is an integer number (780934).

Almost surely, 25668819 is an apocalyptic number.

5668819 is a deficient number, since it is larger than the sum of its proper divisors (578653).

5668819 is a wasteful number, since it uses less digits than its factorization.

5668819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197.

The product of its digits is 103680, while the sum is 43.

The square root of 5668819 is about 2380.9281803532. The cubic root of 5668819 is about 178.3052771733.

The spelling of 5668819 in words is "five million, six hundred sixty-eight thousand, eight hundred nineteen".

Divisors: 1 13 43 559 10141 131833 436063 5668819